庆祝
A. celebrate
B. celebration
C. celebrated
D. celebrating
Researchers find that daydreaming may also be important to ______ health.
A. metal
B. mental
C. mentally
D. physics
Daydreaming, they tell us, ______ a good means of relaxation.
A. be
B. is
C. are
D. being
Reading can extend one's knowledge. But its benefits go _______ this.
A. over
B. forward
C. through
D. beyond
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